Definition
The feature that is used to account for distinction between segments which have constriction in the vocal tract, [+consonantal], versus those that do not and are thus [-consonantal] (Zsiga, 2013, p. 258). Sounds that are [+cons] have lower amplitude than sounds that are [-cons].
All obstruents, nasals, and liquids are of the natrual class [+consonantal], where vowels and glides are [-consonantal].
Examples
- Hul’q’umi’num’
- The following phonemes enclosed in blue are those possibly in the [+consonantal] natural class in Hul’q’umi’num’.

- Skwxwú7mesh
- The following sounds in Skwxwú7mesh that are enclosed in blue are potentially members of the [+consonantal] natural class.

- Secwepemctsín
- The following phonemes enclosed in blue are potential members of the [+consonantal] natural class in Secwepemctsín.
